Dyfyniad APA

Steinbeck, J. (1993). The grapes of wrath. New York: Everyman's Library.

Dyfyniad Arddull Chicago

Steinbeck, John. The Grapes of Wrath. New York: Everyman's Library, 1993.

Dyfyniad MLA

Steinbeck, John. The Grapes of Wrath. New York: Everyman's Library, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.